C3132121111133313233121111331333133313331333133313121111331333132322331322321   >>    C313212111113331323312111133133313331333133313331312111133133313232233132232   <<    C3132121111133313233121111331333133313331333133313121111331333132322331322323   >>      C3132121111133313233121111331333133313331333133313121111331333132322331322322   >>