C1111133313331323223313331333133313331333232233133112111133131211331233131   >>    C111113331333132322331333133313331333133323223313311211113313121133123313   <<    C1111133313331323223313331333133313331333232233133112111133131211331233133   >>      C1111133313331323223313331333133313331333232233133112111133131211331233132   >>