C31232233133313221211113313331333132313331322121111331313213231   >>    C3123223313331322121111331333133313231333132212111133131321323   <<    C31232233133313221211113313331333132313331322121111331313213233   >>      C31232233133313221211113313331333132313331322121111331313213232   >>