C31232233133313221211113313331333132313331322121111122133313231313321   >>    C3123223313331322121111331333133313231333132212111112213331323131332   <<    C31232233133313221211113313331333132313331322121111122133313231313323   >>      C31232233133313221211113313331333132313331322121111122133313231313322   >>