C313212111113331323312111133133313331333133313331312111133132321333131   >>    C31321211111333132331211113313331333133313331333131211113313232133313   <<    C313212111113331323312111133133313331333133313331312111133132321333133   >>      C313212111113331323312111133133313331333133313331312111133132321333132   >>