C313212111113331323312111133133313331333133312121111331331121133132322331   >>    C31321211111333132331211113313331333133313331212111133133112113313232233   <<    C313212111113331323312111133133313331333133312121111331331121133132322333   >>      C313212111113331323312111133133313331333133312121111331331121133132322332   >>