C31232233133313221211113313331333132313331322121111121111123132311321   >>    C3123223313331322121111331333133313231333132212111112111112313231132   <<    C31232233133313221211113313331333132313331322121111121111123132311323   >>      C31232233133313221211113313331333132313331322121111121111123132311322   >>