C1111233131211111211113313331323133313232212111113331323132223331   >>    C111123313121111121111331333132313331323221211111333132313222333   <<    C1111233131211111211113313331323133313232212111113331323132223333   >>      C1111233131211111211113313331323133313232212111113331323132223332   >>