C111113331333132322331333133313331333132313331333131133133322321111133313223221   >>    C11111333133313232233133313331333133313231333133313113313332232111113331322322   <<    C111113331333132322331333133313331333132313331333131133133322321111133313223223   >>      C111113331333132322331333133313331333132313331333131133133322321111133313223222   >>