C31232233133313221211113313331333132313331322121133132311233321   >>    C3123223313331322121111331333133313231333132212113313231123332   <<    C31232233133313221211113313331333132313331322121133132311233323   >>      C31232233133313221211113313331333132313331322121133132311233322   >>