C111123313331323113313331333133313331323133112113313232212111111213321   >>    C11112331333132311331333133313331333132313311211331323221211111121332   <<    C111123313331323113313331333133313331323133112113313232212111111213323   >>      C111123313331323113313331333133313331323133112113313232212111111213322   >>