C111123313121111121111331333132313331323133313332322133313222223221   >>    C11112331312111112111133133313231333132313331333232213331322222322   <<    C111123313121111121111331333132313331323133313332322133313222223223   >>      C111123313121111121111331333132313331323133313332322133313222223222   >>