C111113331333132322331333133313331331123231311212111133131133131131211211   >>    C11111333133313232233133313331333133112323131121211113313113313113121121   <<    C111113331333132322331333133313331331123231311212111133131133131131211213   >>      C111113331333132322331333133313331331123231311212111133131133131131211212   >>