C31232233133313221211113313331333132313331322121111331312111133133332321   >>    C3123223313331322121111331333133313231333132212111133131211113313333232   <<    C31232233133313221211113313331333132313331322121111331312111133133332323   >>      C31232233133313221211113313331333132313331322121111331312111133133332322   >>