C31232233133313221211113313331333132313331322121111121111333133313231311211321   >>    C3123223313331322121111331333133313231333132212111112111133313331323131121132   <<    C31232233133313221211113313331333132313331322121111121111333133313231311211323   >>      C31232233133313221211113313331333132313331322121111121111333133313231311211322   >>