C31232233133313221211113313331333132313331322121133133313232212113121   >>    C3123223313331322121111331333133313231333132212113313331323221211312   <<    C31232233133313221211113313331333132313331322121133133313232212113123   >>      C31232233133313221211113313331333132313331322121133133313232212113122   >>