C1111133313331323223313331333133313331333232233133112111112133313331322211   >>    C111113331333132322331333133313331333133323223313311211111213331333132221   <<    C1111133313331323223313331333133313331333232233133112111112133313331322213   >>      C1111133313331323223313331333133313331333232233133112111112133313331322212   >>