C313212111133131211331333133313331333133311233133313113313232321333132311211321   >>    C31321211113313121133133313331333133313331123313331311331323232133313231121132   <<    C313212111133131211331333133313331333133311233133313113313232321333132311211323   >>      C313212111133131211331333133313331333133311233133313113313232321333132311211322   >>