C31232233133313221211113313331333132313331322121111331311222321   >>    C3123223313331322121111331333133313231333132212111133131122232   <<    C31232233133313221211113313331333132313331322121111331311222323   >>      C31232233133313221211113313331333132313331322121111331311222322   >>