C3132121111133313233121111331333133313331333133313331333133313331312323211321   >>    C313212111113331323312111133133313331333133313331333133313331333131232321132   <<    C3132121111133313233121111331333133313331333133313331333133313331312323211323   >>      C3132121111133313233121111331333133313331333133313331333133313331312323211322   >>