C12121212311232322331313232233132313232323323131111233132322321   >>    C1212121231123232233131323223313231323232332313111123313232232   <<    C12121212311232322331313232233132313232323323131111233132322323   >>      C12121212311232322331313232233132313232323323131111233132322322   >>