C1111133313331323223313331333133313331323323133112111133133331233132311233131   >>    C111113331333132322331333133313331333132332313311211113313333123313231123313   <<    C1111133313331323223313331333133313331323323133112111133133331233132311233133   >>      C1111133313331323223313331333133313331323323133112111133133331233132311233132   >>