C31232233133313221211113313331333133313331212111133133313111333132211113323321   >>    C3123223313331322121111331333133313331333121211113313331311133313221111332332   <<    C31232233133313221211113313331333133313331212111133133313111333132211113323323   >>      C31232233133313221211113313331333133313331212111133133313111333132211113323322   >>