C3132121111133313233121111331333133313331322331333131133132331233131   >>    C313212111113331323312111133133313331333132233133313113313233123313   <<    C3132121111133313233121111331333133313331322331333131133132331233133   >>      C3132121111133313233121111331333133313331322331333131133132331233132   >>