C313212111113331323312111133133313331333133313331333133313331333133322233233231   >>    C31321211111333132331211113313331333133313331333133313331333133313332223323323   <<    C313212111113331323312111133133313331333133313331333133313331333133322233233233   >>      C313212111113331323312111133133313331333133313331333133313331333133322233233232   >>