C31232233133313221211113313331333132313331322121133133313332231311   >>    C3123223313331322121111331333133313231333132212113313331333223131   <<    C31232233133313221211113313331333132313331322121133133313332231313   >>      C31232233133313221211113313331333132313331322121133133313332231312   >>