C1111121111331311211331333133313331333133313231333133313331323223313111121   >>    C111112111133131121133133313331333133313331323133313331333132322331311112   <<    C1111121111331311211331333133313331333133313231333133313331323223313111123   >>      C1111121111331311211331333133313331333133313231333133313331323223313111122   >>