C11111333133313232233133313331333131133132313331322121111111133221   >>    C1111133313331323223313331333133313113313231333132212111111113322   <<    C11111333133313232233133313331333131133132313331322121111111133223   >>      C11111333133313232233133313331333131133132313331322121111111133222   >>