C3132121111133313233121111331333133313331312121111133313331323211231323221   >>    C313212111113331323312111133133313331333131212111113331333132321123132322   <<    C3132121111133313233121111331333133313331312121111133313331323211231323223   >>      C3132121111133313233121111331333133313331312121111133313331323211231323222   >>