C1111133313331323223313331333133313331323131211113313221232213333231   >>    C111113331333132322331333133313331333132313121111331322123221333323   <<    C1111133313331323223313331333133313331323131211113313221232213333233   >>      C1111133313331323223313331333133313331323131211113313221232213333232   >>