C31232233133313221211113313331333132313331322121133133313232133231   >>    C3123223313331322121111331333133313231333132212113313331323213323   <<    C31232233133313221211113313331333132313331322121133133313232133233   >>      C31232233133313221211113313331333132313331322121133133313232133232   >>