C1111121111331311211331333133313331333133313321333133313331331122221   >>    C111112111133131121133133313331333133313331332133313331333133112222   <<    C1111121111331311211331333133313331333133313321333133313331331122223   >>      C1111121111331311211331333133313331333133313321333133313331331122222   >>