C31232233133313221211113313331333132233131133131133132213231311321   >>    C3123223313331322121111331333133313223313113313113313221323131132   <<    C31232233133313221211113313331333132233131133131133132213231311323   >>      C31232233133313221211113313331333132233131133131133132213231311322   >>