C21111113313132322331323331323113313233313231122112323133313231323211321   >>    C2111111331313232233132333132311331323331323112211232313331323132321132   <<    C21111113313132322331323331323113313233313231122112323133313231323211323   >>      C21111113313132322331323331323113313233313231122112323133313231323211322   >>