C12121212311232322331313232233132313331323121211112331323112131   >>    C1212121231123232233131323223313231333132312121111233132311213   <<    C12121212311232322331313232233132313331323121211112331323112133   >>      C12121212311232322331313232233132313331323121211112331323112132   >>