C31232233133313221211113313331333132313331333133313331323131331321   >>    C3123223313331322121111331333133313231333133313331333132313133132   <<    C31232233133313221211113313331333132313331333133313331323131331323   >>      C31232233133313221211113313331333132313331333133313331323131331322   >>