C11111333133313232233133313331333133112111112113313331333131333121121132133221   >>    C1111133313331323223313331333133313311211111211331333133313133312112113213322   <<    C11111333133313232233133313331333133112111112113313331333131333121121132133223   >>      C11111333133313232233133313331333133112111112113313331333131333121121132133222   >>