C22121333132313311211113313331333133313121111331323133313232223321   >>    C2212133313231331121111331333133313331312111133132313331323222332   <<    C22121333132313311211113313331333133313121111331323133313232223323   >>      C22121333132313311211113313331333133313121111331323133313232223322   >>