C31232233133313221211113313331311331333133313331323133313233323321   >>    C3123223313331322121111331333131133133313331333132313331323332332   <<    C31232233133313221211113313331311331333133313331323133313233323323   >>      C31232233133313221211113313331311331333133313331323133313233323322   >>