C313212111113331323312111133133313331333133313331333132313331333132313232223231   >>    C31321211111333132331211113313331333133313331333133313231333133313231323222323   <<    C313212111113331323312111133133313331333133313331333132313331333132313232223233   >>      C313212111113331323312111133133313331333133313331333132313331333132313232223232   >>