C11111333133313232233133313331333133112111112113313331333133322132131   >>    C1111133313331323223313331333133313311211111211331333133313332213213   <<    C11111333133313232233133313331333133112111112113313331333133322132133   >>      C11111333133313232233133313331333133112111112113313331333133322132132   >>