C11321132322331323331323132312312111113231333132312113313132313221   >>    C1132113232233132333132313231231211111323133313231211331313231322   <<    C11321132322331323331323132312312111113231333132312113313132313223   >>      C11321132322331323331323132312312111113231333132312113313132313222   >>