(A)|----------------------------|--------------------------------| |----------------------------|--------------------------------| |-12-12-12-12----12-12-12-12-|--------------------------------| |-12-12-12-12----12-12-12-12-|--------------------------------| |-10-10-10-10----10-10-10-10-|-12-12-12-12-12-12-12-12-12-----| |----------------------------|--------------------------------| (B)|-------------------------|------------------------| |-------------------------|------------------------| |-7-7-5-7-5---7-7-5-7-5---|------------------------| |-------------------------|-7-7-7--7--7-7--7-7-----| |-------------------------|------------------------| |-------------------------|------------------------| |-------------------------|------------------------| |-------------------------|------------------------| |-------------------------|------------------------| |-------------------------|----------------11--11--| |-10-10--10-10-10--9-9-9--|-10--10-10--10----------| |-------------------------|------------------------|