C3132121111133313233121111331333133313331333133313331333133313331333222333231   >>    C313212111113331323312111133133313331333133313331333133313331333133322233323   <<    C3132121111133313233121111331333133313331333133313331333133313331333222333233   >>      C3132121111133313233121111331333133313331333133313331333133313331333222333232   >>