C31232233133313221211113313331333132313331322121111121111121111222321   >>    C3123223313331322121111331333133313231333132212111112111112111122232   <<    C31232233133313221211113313331333132313331322121111121111121111222323   >>      C31232233133313221211113313331333132313331322121111121111121111222322   >>