C1111121111331311211331333133313331333133313221211113313331333132322133321   >>    C111112111133131121133133313331333133313331322121111331333133313232213332   <<    C1111121111331311211331333133313331333133313221211113313331333132322133323   >>      C1111121111331311211331333133313331333133313221211113313331333132322133322   >>