C313212111113331323312111133133313331333132233133313231311331311   >>    C31321211111333132331211113313331333133313223313331323131133131   <<    C313212111113331323312111133133313331333132233133313231311331313   >>      C313212111113331323312111133133313331333132233133313231311331312   >>