C31321211111333132331211113313331333133313331333133313331333132321211321   >>    C3132121111133313233121111331333133313331333133313331333133313232121132   <<    C31321211111333132331211113313331333133313331333133313331333132321211323   >>      C31321211111333132331211113313331333133313331333133313331333132321211322   >>