C11111333133313232233133313331333133112111112113313331312111111223221   >>    C1111133313331323223313331333133313311211111211331333131211111122322   <<    C11111333133313232233133313331333133112111112113313331312111111223223   >>      C11111333133313232233133313331333133112111112113313331312111111223222   >>