C1111133313331323223313331333133313233231311211331333132312323111   >>    C111113331333132322331333133313331323323131121133133313231232311   <<    C1111133313331323223313331333133313233231311211331333132312323113   >>      C1111133313331323223313331333133313233231311211331333132312323112   >>