C111113331333132322331333133313331331123231311212111133131323223331   >>    C11111333133313232233133313331333133112323131121211113313132322333   <<    C111113331333132322331333133313331331123231311212111133131323223333   >>      C111113331333132322331333133313331331123231311212111133131323223332   >>