C3132121111133313233121111331333133313331312121111331333132221233112321323231   >>    C313212111113331323312111133133313331333131212111133133313222123311232132323   <<    C3132121111133313233121111331333133313331312121111331333132221233112321323233   >>      C3132121111133313233121111331333133313331312121111331333132221233112321323232   >>