C111113331333132322331333133313331311331323133313221211111333221221   >>    C11111333133313232233133313331333131133132313331322121111133322122   <<    C111113331333132322331333133313331311331323133313221211111333221223   >>      C111113331333132322331333133313331311331323133313221211111333221222   >>