C111123313121111121111331333132313331323133313332322133313232332322121   >>    C11112331312111112111133133313231333132313331333232213331323233232212   <<    C111123313121111121111331333132313331323133313332322133313232332322123   >>      C111123313121111121111331333132313331323133313332322133313232332322122   >>