C31232233133313221211113313331333133313331212111133132312323321   >>    C3123223313331322121111331333133313331333121211113313231232332   <<    C31232233133313221211113313331333133313331212111133132312323323   >>      C31232233133313221211113313331333133313331212111133132312323322   >>