C3132121111133313233121111331333133313331333133313331333133313223313221211321   >>    C313212111113331323312111133133313331333133313331333133313331322331322121132   <<    C3132121111133313233121111331333133313331333133313331333133313223313221211323   >>      C3132121111133313233121111331333133313331333133313331333133313223313221211322   >>