C31232233133313221211113313331333131211113313231333132231233121   >>    C3123223313331322121111331333133313121111331323133313223123312   <<    C31232233133313221211113313331333131211113313231333132231233123   >>      C31232233133313221211113313331333131211113313231333132231233122   >>