C313212111133131211331333133313331333132212113313331323221211111133132312111   >>    C31321211113313121133133313331333133313221211331333132322121111113313231211   <<    C313212111133131211331333133313331333132212113313331323221211111133132312113   >>      C313212111133131211331333133313331333132212113313331323221211111133132312112   >>