C11111333133313232233133313331333131133132313331322121111131113331313231   >>    C1111133313331323223313331333133313113313231333132212111113111333131323   <<    C11111333133313232233133313331333131133132313331322121111131113331313233   >>      C11111333133313232233133313331333131133132313331322121111131113331313232   >>