C31232233133313221211113313331333132313331322121111331312323231   >>    C3123223313331322121111331333133313231333132212111133131232323   <<    C31232233133313221211113313331333132313331322121111331312323233   >>      C31232233133313221211113313331333132313331322121111331312323232   >>