C31232233133313221211113313331333132313331333133313331333131211113313132311331   >>    C3123223313331322121111331333133313231333133313331333133313121111331313231133   <<    C31232233133313221211113313331333132313331333133313331333131211113313132311333   >>      C31232233133313221211113313331333132313331333133313331333131211113313132311332   >>