C313212111113331323312111133133313331333133313331333133313331322132213111   >>    C31321211111333132331211113313331333133313331333133313331333132213221311   <<    C313212111113331323312111133133313331333133313331333133313331322132213113   >>      C313212111113331323312111133133313331333133313331333133313331322132213112   >>